The document is a glossary that defines key terms related to chemistry and the environment. It defines terms such as atom, boiling, carbon monoxide, chemical property, condensation, evaporation, fusion, gas, gravity, liquid, matter, molecule, physical property, plasma, pollution, property, recycling, scientific method, shape, size, solidification, state, substance, and texture. The glossary provides concise definitions of these important scientific concepts in 1-2 sentences each to aid understanding.
